A thin, circular, metallic or nonmetallic item with a flat or prebulged cross-sectional shape, designed to rupture at a predetermined pressure to prevent damage to hydraulic or pneumatic systems, or the like. It may include multiple pieces, such as a retainer ring, disk and vacuum support. It can be used independently or as a component part of a head, safety, pressure relief. For items furnished with a holder, see head and disk, safety, pressure relief. For items without a rupture pressure rating, see disk, solid, plain. Excludes diaphragm, valve, flat; diaphragm, valve, special shaped; disk, valve; and insulator, disk.
Classification: Parts of taps, cocks, valves and similar appliances, nesoi
NSN 6150-01-474-7130
NSN 7035-01-435-7962
NSN 5945-00-485-9791
NSN 5965-01-633-8849
NSN 6610-00-488-9528
NSN 6220-00-104-9599
NSN 2925-01-474-3363
NSN 5975-00-719-9793
NSN 6650-00-388-4517
NSN 5935-01-007-6400
NSN 6220-01-313-3395
NSN 6150-01-527-7092